JPH0711269Y2 - Bicycle lock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention is designed to rotate a sliding barbed lock rod in the unlocked state in a direction intersecting with the sliding direction so as to avoid it at a safe position. , A lock for a bicycle adapted to use a long and durable lock rod.

Generally, a box-type bicycle lock using a barbed lock is
When the sliding stroke of the lock rod is increased, the rear end of the lock rod is projected to the outside of the case in the unlocked state (for example, the actual open sho 60-14956).
No. 6). In addition, there is also a lock for a bicycle, which is equipped with a swingable lock rod so as to avoid the lock body from the vehicle body (for example, Japanese Utility Model Application No. 51-123606).

Problems to be Solved by the Invention In the conventional bicycle locks described above, the size of the lock box in which the lock rod is mounted is limited, and the size and length of the lock rod are also restricted to the necessary minimum. It had the drawback of being inferior in terms of stability and security. For this reason, it has been required to attach a long locking rod to provide a sense of stability and a sense of security, while at the same time being able to use the bicycle safely without any trouble in traveling. Further, even in the case of this type of box-lock type lock, like the horseshoe lock, for example, the tip of the locking rod protruding in the locked state can be held by the receiving metal fittings fixed to the opposite side to further secure the locking. It was also a challenge to improve it.

In order to solve the above-mentioned problems, the present invention has a case having an open end face and an outer peripheral edge engaged with a peripheral edge portion of the end face of the case to rotate along the end face. It is equipped with a bar case that is freely combined, and a bar-shaped locking rod equipped with a restoring spring slidably penetrates through this bar case, and a locking projection that locks this locking bar in the locked position is provided. A locking lever and a fixed substrate having a guide for supporting the locking lever and guiding the locking lever to the locking position and the unlocking position are provided in the case, and the lock board is inserted in the case in accordance with the unlocking operation. When releasing the lock between the locking lever and the locking rod, the bicycle lock including a rotation restoring spring for rotating the bar case to prevent the locking rod retracted to the retracted position out of the engagement position with the vehicle body. It is provided.

With the lock of the present invention configured as described above, when the lock is projected and the locked state is maintained, and a predetermined key is inserted to perform the unlocking operation, the lock lever is actuated and the restoring spring is urged. The locking bar that is located at the rear end with a predetermined stroke as in the case of a normal locking bar, and the locking bar that penetrates the locking bar in accordance with the operation of the locking lever described above is locked by the urging of the rotation restoring spring. It rotates together with and locks the locking rod that is unlocked by operating the key to a safe avoidance position.

As described above, the lock of the present invention performs a combined operation of sliding and rotation in which the locking rod that has been released from the locking hook when retracted as described above temporarily retracts and then rotates together with the bar case from the retracted position. Therefore, a long locking rod can be attached without disturbing the traveling of the bicycle.

Further, in the present invention, the lock rod has a length that penetrates the vehicle body at the locking position, and a receiving member for integrally fitting the tip of the lock rod at the other end of the locking position is used from the case. With the extended metal fittings, the locked locking rod can be held more firmly, and the locking reliability is improved.

Embodiments Embodiments of the present invention will be described below with reference to the drawings.

In the figure, 1 is a case in which one edge of an annular body is bent inward to form a peripheral edge portion 1 ', and an end face is opened downwardly. 2 is a bent peripheral edge portion 1'of the case 1 from the inside to the outer peripheral edge 3'. Are engaged with each other and rotatably combined along the end face, and 4 is a bar-shaped lock bar 5 that slidably penetrates the bar case 2 along the outside of the end face. A cap fixed to the outer end (left side in the drawing) of the lock rod 4, 6 is integrally extended from one side of the cap 5, is inserted into the lock rod 4, and is locked by the concave-convex fitting portion 4'on the side surface of the base. The spring receiving rods 7 fixed integrally with the rods 4 and 7 extend along the lower surface of the spring receiving rods 6,
One end bent downward is fixed to the inner peripheral surface of the bartack case 2, and a spring receiving seat 7'is provided at the other end bent upward, and 8 is an inner end of the spring receiving rod 6 and a spring receiving seat 7 '. The lock spring 4 is urged between the lock lever 4 and the lock lever 4 via the spring receiving rod 6 in the unlocking direction (leftward in the drawing). 9
Are fixed protrusions formed on both side surfaces of the spring receiving rod 6 so as to contact the protrusions 10 protruding on both inner side surfaces of the lock rod 4 and hold the retracted position of the lock rod 4.

Reference numeral 11 denotes a fixed substrate that rotatably supports the lower edge of the barbed case 2 and covers the bottom of the case 1, and 12 denotes a locking lever that is superposed on the fixed substrate 11 and is provided on the fixed substrate 11. The guide 13 is slidably provided in a direction (vertical direction in FIG. 2) orthogonal to the sliding direction of the lock rod 4.
Reference numeral 14 denotes a latching protrusion that is erected on the locking lever 12, and the latching protrusion 14 is provided on one side of the latching lever 12 as shown in FIG.
When it is in the locking position A, which is deviated to the downward direction in Figs.
An unlocking position B in which the notch 15 at the lower edge of the locking lever 12 is prevented from retreating and the locking lever 12 is biased to the other side (upward in FIGS. 2 and 3).
When the lock lever 4 is in the position (1), it is disengaged from the notch 15 to allow the lock rod 4 to retract. Reference numeral 16 is an urging spring provided so as to constantly urge the locking lever 12 toward the locking position A.

One end 17 is hooked on a spring stopper 18 projecting to the back surface of the fixed substrate 11, fitted to a spring shaft 19 projecting to the back surface of the fixed substrate 11 at the other end, and the other end is projected to the outer peripheral lower edge of the bar case 2. Spring stop installed
It is a rotation restoring spring of the barbed case 2 hooked to 20.

The barbed case 2 has the second and third
In the figure, it is always biased clockwise. When the locking lever 12 is at the locking position A, the abutment portion 21 formed by cutting off a part of the outer peripheral lower edge at one end is provided on the side surface of the tip of the locking lever 12 projecting at the locking position A. By abutting, rotation is blocked against the rotation restoring spring 17.

22 is a key inserted into this lock. The key 22 is inserted between the fixed base plate 11 and the locking lever 12 in the case 1 from the side surface of the case 1 and below the outer end of the locking rod 4 in the locked state, and the fulcrum erected on the fixed base plate 11 stands. Second with axis 23 as fulcrum
When rotated counterclockwise in the figure, the side surface of the tip portion 22 'is brought into contact with the hook portion 24 formed on one side of the locking lever 12, and the biasing spring 16 is pressed.
The lever 12 is pushed up to the unlocked position B against. This key
The lock rod 4 released from the engagement with the locking lever 12 by the unlocking operation of 22 retracts to the retracted position, and the bar case 2 together with the retracted lock rod 4 is indicated by the solid line in FIGS. 9 in the unlocked position shown
Rotate 0 ° or more.

Reference numeral 25 denotes an arc groove formed in the fixed substrate 11 so as to provide a rotation range of the spring stop 20 that rotates integrally with the bart case 2, and as shown in FIG. The barbed case 2 that has been brought into contact with and rotated in the unlocked posture is prevented from further rotating.

Reference numeral 26 is a safety projection that is erected from the locking lever 12 in order to prevent the lock rod 4 that has been rotated to the unlocked position as shown in FIG. This safety projection 26 is pushed up to the maximum with the locking lever 12 by the unlocking operation of the key 22 until the locking rod 4 released from the locking projection 14 of the locking lever 12 reaches the unlocked posture, and both sides are pushed up. When the lock rod 14 having the notches 15 and 15 'on the lower edge is allowed to pass when turning, and the hand is released from the key 22 after the unlocking operation, the biasing spring 16 biases the locking lever. Together with 12, it descends from the maximum limit position to disengage from the notch 15, and prevents reverse rotation from the side surface of the locking rod 4.

Therefore, the lock rod 4 in the unlocked posture has the rotation restoring spring 17
The spring stop 20 biased to the abutment between the arcuate groove 25 of the fixed base plate 11 and the prevention of the reverse rotation by the safety projection 26 keeps it in the avoidance position. At the same time, the unlocked position B of the locking lever 12 is held by contact with the inner peripheral surface following the contact portion 21 on the outer periphery of the lower edge of the barbed case 2.

27 is a set of a and b fittings that are attached to the back side of the case 1 so that the lock is attached to the body F of the bicycle. 28 is a length that connects one end to one fitting b and reaches the other side of the body F. A band 29 having a hook is a receiving metal fitting to which the other end of the band 28 is connected and which is fixed to the other vehicle body F and which fits the rod end of the locking rod 4 protruding in the locked state.

In this embodiment, the metal fitting for receiving the tip of the rod portion of the lock rod 4 is provided as described above.
By holding it at 29, it is more firmly locked and the certainty is further improved.

In addition, in the figure, 30 is a staggered projection that stands up from the locking lever 12 separately from the fulcrum shaft 23 to prevent the key 22 from coming off during unlocking and to prevent the use of other than the predetermined key 22 during locking. Numerals 31 are fitted on the locking lever 12 and cooperate with the dislocation protrusion 30 to prevent the unsealing leaf spring from blocking the unlocking operation, and 32 is provided with an insertion hole for the locking rod 4 to cover the bar case 2 and integrally. It is a case cover that sticks.

When the lock is locked from the unlocked posture shown in Fig. 4, the cap 5 is slightly pushed down to lock the lock rod 4 and the safety projection.
26 When the bar 5 is disengaged and the bar 5 is held by the cap 5 and is rotated counterclockwise by 90 ° or more in the figure, the bar 5 is attached when the bar case 2 comes out of contact with the inner peripheral surface of the lower part. The locking lever 12 is lowered by the biasing spring 16, and at the terminal end of rotation, the notch 15 is made to correspond to the hooking protrusion 14 of the locking lever 12
Lock.

In this locked state, as shown in FIG. 2, the key 22 is disengaged from the misaligned projection 30 and can be carried out by being pulled out of the body like a normal lock.

Effect of the Invention According to the present invention configured as described above and configured to operate as described above, the locking and unlocking operations of the locking rod are a combination of sliding and rotating. It can be equipped with a bar-shaped lock rod that is sufficiently long compared to its size. Therefore, by using a long locking rod, a feeling of stability and a sense of security can be generated in the locking, and the user's trust can be obtained. There is a practical effect such that the receiving metal fitting for holding the tip portion can be used, and the reliability of locking can be further improved.

[Brief description of drawings]

The drawings show an embodiment of the present invention. Fig. 1 is a partially cutaway vertical sectional view in a locked state thereof, and Fig. 2 is a partially cutaway plan view mainly showing a structure of a locking rod and a hooked state thereof. Three
FIG. 5 is a partially cutaway plan view mainly showing a locked state of a locking lever, FIG. 4 is a partially cutaway plan view mainly showing an unlocking posture of a locking rod, and FIG. 5 is a plan view showing an overall configuration of an embodiment. . 1 ... Case, 1 '... Peripheral part, 2 ... Barbed case 2, 3
...... Outer peripheral edge, 4 ...... Locking rod, 4 '... Concave and convex fitting part, 5 ......
Cap, 6 ... Spring receiving rod, 7 ... Spring receiving member,
7 '... spring seat, 8 ... restoring spring, 9 ... fixed protrusion, 10 ... protrusion, 11 ... fixed substrate, 12 ... locking lever,
13 ... Guide, 14 ... Latching protrusion, A ... Locking position, B ...
… Unlock position, 15 …… notch, 15 ′ …… notch, 16 …… biasing spring, 17 …… rotation restoring spring, 18 …… spring stop, 19 …… spring shaft, 20 …… spring stop, 21 …… Abutting part, 22 …… Key, 22 ′…
… Tip part, 23 …… fulcrum shaft, 24 …… hook part, 25 …… arc groove,
26 …… Safety protrusion, F …… Car body, 27 …… (a, b) …… Mounting metal fitting, 28 …… Band, 29 …… Receiving metal fitting, 30 …… Staggered protrusion, 31 …… Spot stop leaf spring, 32 …… Case cover.

Claims (2)

[Scope of utility model registration request] 1. A case 1 having an open end surface, and a barb case 2 which is engaged with an outer peripheral edge 3 of a peripheral edge portion 1'of the end surface of the case 1 so as to be freely rotatable along the end surface. A lock lever 12 provided with a lock projection 14 for slidably passing through a lock bar 4 having a restoring spring 8 to the lock case 2 to lock the lock bar 4 at a lock position, and Locking lever
A fixed base plate 11 having a guide 13 for supporting 12 and guiding it to a locking position A and an unlocking position B is provided in the case 1, and the key 22 inserted into the case 1 is unlocked. When the locking lever 12 and the locking rod 4 are released from the engagement, a rotation restoring spring 17 for rotating the lock bar case 2 to avoid the locking rod 4 retracted to the retracted position out of the engagement position with the vehicle body F. Bicycle locks provided. 2. A receiving fitting 29 into which the locking rod 4 has a length that penetrates the vehicle body F in a locked state, and into which the tip of the locking rod 4 in the locked state fits integrally with the case 1. The bicycle lock according to claim 1, wherein the lock is extended.